Plastic steel window profile material
The layman is so to say that there is no grade steel, on a model, the standard requirement is to look at the three sex. ABC blind Mongolia Yeah, you will be the best, the price is not expensive 280 steel is a foreign brand? The highest price in the country, but 170-280. Who's how good you are. Are generally about 170 on the OK.
GB 8814-2004 according to the thickness of the main section of the profile will be divided into three categories of ABC, according to the "visible wall thickness minimum / non-visible wall thickness minimum" said, A type of wall thickness of 2.8 / 2.5mm, B Type of material requirements wall thickness 2.5 / 2.0mm, C type of wall thickness does not specify the requirements. The mainstream of the national standard profiles are Class B.
I do not know upstairs two self-proclaimed expert, in the line and do so long. According to the national market, the top three domestic brands is nothing but Shide, Conch, Finance, three years ago I work in Shide, and now I work in the financial. I do not know the landlord said the profile of the brand, but the beginning of this year Shide new 7 sealed series did in the building materials city speculation to the two hundred and seventy-eight. If the landlord said the profile is not this, then the 280 price is high and understandable. In addition to the grade of the profile is this argument, GB 8814-2004 according to the thickness of the main profile of the profile will be divided into three categories of ABC, according to the "visible wall thickness minimum / non-visible wall thickness minimum" A type of material requirements wall thickness 2.8 / 2.5mm, B type requirements of wall thickness 2.5 / 2.0mm, C type of wall thickness does not specify the requirements. The mainstream of the national standard profiles are Class B. In addition, I answered the second floor of the problem, Jinpeng profiles according to the national market is also a good profile, ranked fourth in the current controversy is not large.
